#515ABF#515ABF

#515ABF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.156 H 275.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#515ABF
RGB	rgb(81, 90, 191)
HSL	hsl(235, 46%, 53%)
HSV	hsv(235, 58%, 75%)
CMYK	cmyk(57.6%, 52.9%, 0%, 25.1%)
CIE-LAB	lab(42.49, 26.51, -54.36)
CIE-LCH	lch(42.49, 60.48, 296.00°)
OKLab	oklab(51.46% 0.0153 -0.1556)
OKLCH	oklch(51.46% 0.156 275.6)
XYZ	xyz(16.4504, 12.8221, 50.8881)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ABF #BFB651

analogous

#5191BF #515ABF #7F51BF

triadic

#515ABF #BF515A #5ABF51

tetradic

#515ABF #BF5191 #BFB651 #51BF7F

square

#515ABF #BF5191 #BFB651 #51BF7F

split-complementary

#515ABF #BF7F51 #91BF51

monochromatic

#282E6D #39419A #515ABF #7E84CF #AAAFE0

Accessibility & contrast

On white

5.89

#515ABF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#515ABF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ABF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ABF	#FFFFFF	#000000	##FFFFFF
##515ABF	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F69C3

Deuteranopia (green-blind)

#0060BD

Tritanopia (blue-blind)

#087184

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515abf;
/* rgb */ color: rgb(81, 90, 191);
/* oklch */ color: oklch(51.5% 0.156 275.6);

Tailwind

colors: {
  custom: {
    50: '#8b88d3',
    500: '#515abf',
    950: '#000000',
  },
}

SCSS

$custom: #515abf;
$custom-light: #8b88d3;
$custom-dark: #000000;

JSON

{
  "hex": "#515abf",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 191
  },
  "hsl": {
    "h": 235.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51459,
    "c": 0.15636,
    "h": 275.6
  },
  "luminance": 0.12823
}

Semantic roles & 50–950 ramp

primary

#515ABF

secondary

#CECA9E

accent

#CB52D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515ABF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →